CN112160789A - Tunnel face piston wind raise dust controlling means - Google Patents

Tunnel face piston wind raise dust controlling means Download PDF

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Publication number
CN112160789A
CN112160789A CN202011128237.XA CN202011128237A CN112160789A CN 112160789 A CN112160789 A CN 112160789A CN 202011128237 A CN202011128237 A CN 202011128237A CN 112160789 A CN112160789 A CN 112160789A
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CN
China
Prior art keywords
wind
dispelling
arc
dust
plate
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CN202011128237.XA
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Chinese (zh)
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瞿启芳
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Individual
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Individual
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Priority to CN202011128237.XA priority Critical patent/CN112160789A/en
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    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F5/00Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
    • E21F5/20Drawing-off or depositing dust
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F1/00Ventilation of mines or tunnels; Distribution of ventilating currents
    • E21F1/003Ventilation of traffic tunnels
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/04Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means

Abstract

The invention discloses a tunnel portal piston wind dust control device.A limiting guide pillar is respectively arranged at two ends inside a wind-dispelling dust-collecting box body on a tunnel body; a first limit mounting side plate, a second limit mounting side plate and a third limit mounting side plate are arranged on the two limit guide pillars; a first arc-shaped air dispersing plate, a second arc-shaped air dispersing plate and a third arc-shaped air dispersing plate are respectively arranged between the two first limit mounting side plates, the second limit mounting side plate and the third limit mounting side plate; the first arc-shaped air dispersing plate, the second arc-shaped air dispersing plate and the third arc-shaped air dispersing plate are all provided with a plurality of air dispersing circular holes, and arc-shaped air suction and dust collection holes are formed in the air dispersing and dust collection box body and are arranged below the first arc-shaped air dispersing plate; the wind-dispelling dust-collecting box body is provided with a plurality of air-exhausting dust-discharging fans, the tunnel mouth piston wind dust-flying control device has a buffering effect, disperses strong wind, reduces large-scale dust pollution driven by strong wind, reduces dust pollution, and is convenient to operate.

Description

Tunnel face piston wind raise dust controlling means
Technical Field
The invention relates to the technical field of tunnel mouths, in particular to a wind dust control device for a piston at a tunnel mouth.
Background
When the train enters the tunnel, the air is compressed in front of the train, the pressure is increased rapidly, and compressed airflow is generated; when the tail of the train enters the tunnel, the air in the tunnel cannot be supplemented in time, the pressure is reduced rapidly, and an expansion (suction) airflow is formed; forming a piston wind. Compressed air flow, inflation air current, turbulent flow act on the train repeatedly in the tunnel, make the coal surface in the carriage blown, cause raise dust in the tunnel, pressure sharply reduces when the piston wind that carries a large amount of dirt reachs the tunnel exit, the gas volume expands fast, be fan-shaped diffusion to the periphery rapidly, and the suction effect that produces when the train tail goes out the tunnel mouth, take out the dirty air in the tunnel in a large amount, spread all ring edge borders, cause large-scale raise dust pollution, consequently need tunnel mouth piston wind raise dust controlling means.
But the present tunnel portal piston wind raise dust controlling means still has not had the cushioning effect, and the raise dust on a large scale that the strong wind drove pollutes, uses the inconvenient problem of operation.
Therefore, a buffering function is needed to be designed, strong wind is dispersed, large-scale dust pollution caused by the strong wind is reduced, the dust pollution is reduced, and the tunnel mouth piston wind dust control device convenient to operate is very necessary.
Disclosure of Invention
The invention aims to provide a device for controlling wind-blown dust of a piston at a tunnel portal, so as to solve the problems in the background technology.
In order to realize the purpose, the invention provides the following technical scheme: a tunnel portal piston wind-driven dust control device comprises a tunnel body, a wind-dispelling dust-collecting box body, an arc-shaped wind-sucking dust-collecting hole, a circular air-exhausting dust-discharging hole, an air-exhausting dust-discharging fan, a first arc-shaped wind-discharging plate, a second arc-shaped wind-discharging plate, a third arc-shaped wind-discharging plate, a first wind-discharging circular hole, a second wind-discharging circular hole, a third wind-discharging circular hole, a first limit mounting side plate, a second limit mounting side plate, a third limit mounting side plate, a limit guide pillar, a first buffer spring, a second buffer spring, a third buffer spring and a limit insertion hole, wherein the wind-dispelling dust-collecting box body is arranged on the tunnel body; two ends of the interior of the wind-dispelling dust-collecting box body are respectively provided with a limiting guide pillar; a first limit mounting side plate, a second limit mounting side plate and a third limit mounting side plate are arranged on the two limit guide pillars; a first arc-shaped air dispersing plate is arranged between the two first limiting mounting side plates; a second arc-shaped air dispersing plate is arranged between the two second limiting mounting side plates; a third arc-shaped air dispersing plate is arranged between the two third limiting mounting side plates; a plurality of first wind-dispelling round holes are formed in the first arc-shaped wind-dispelling plate; a plurality of second wind-dispelling round holes are formed in the second arc-shaped wind-dispelling plate; a plurality of third wind-dispelling circular holes are formed in the third arc-shaped wind-dispelling plate; a first buffer spring is arranged on the limiting guide pillar and is opposite to the position between the first limiting installation side plate and the second limiting installation side plate; a second buffer spring is arranged on the limit guide pillar relative to the position between the second limit mounting side plate and the third limit mounting side plate; a third buffer spring is arranged on the limiting guide post relative to the space between the third limiting mounting side plate and the inner wall of the wind-dispelling dust-collecting box body; an arc air suction and dust collection hole is formed in the wind-dispelling and dust collection box body and is opposite to the lower part of the first arc wind-dispelling plate; the wind-dispelling and dust-absorbing box body is provided with a plurality of air-exhausting and dust-exhausting fans.
Preferably, the wind-dispelling and dust-collecting box body is provided with a circular air-exhausting and dust-exhausting hole for installing an air-exhausting and dust-exhausting fan.
Preferably, the wind-dispelling and dust-collecting box body is sequentially provided with a first arc-shaped wind-dispelling plate, a second arc-shaped wind-dispelling plate and a third arc-shaped wind-dispelling plate from outside to inside.
Preferably, the diameter of the first wind-dispelling round hole is larger than that of the second wind-dispelling round hole; the diameter of the second wind-dispelling round hole is larger than that of the third wind-dispelling round hole.
Preferably, first arc wind dispelling board comprises the concatenation of the short board head and the tail of the first arc wind dispelling of a plurality of, and the one end of first arc wind dispelling short board is provided with the joint arch, and spacing draw-in groove has been seted up to the other end of first arc wind dispelling short board.
Preferably, the second arc wind dispelling plate is formed by splicing a plurality of second arc wind dispelling short plates from head to tail, a clamping protrusion is arranged at one end of the second arc wind dispelling short plate, and a limiting clamping groove is formed in the other end of the second arc wind dispelling short plate.
Preferably, the third arc wind dispelling plate is formed by splicing a plurality of third arc wind dispelling short plates end to end, a clamping protrusion is arranged at one end of the third arc wind dispelling short plate, and a limiting clamping groove is formed in the other end of the third arc wind dispelling short plate.
Preferably, the clamping protrusion is fixedly connected with the limiting clamping groove in a clamping mode, and the size of the limiting clamping groove is matched with that of the clamping protrusion.
Preferably, the first limit mounting side plate is provided with a limit jack for connecting with the limit guide pillar; the second limiting mounting side plate is provided with a limiting insertion hole for connecting with a limiting guide pillar; and a third limiting mounting side plate is provided with a limiting insertion hole for being connected with a limiting guide pillar.
Preferably, the first buffer spring is matched with the limiting guide pillar; the second buffer spring is matched with the limiting guide pillar; the third buffer spring is matched with the limiting guide pillar.
Compared with the prior art, the invention has the beneficial effects that:
1. this tunnel portal piston wind raise dust controlling means owing to be provided with second buffer spring for buffer action has between second spacing installation sideboard and the spacing installation sideboard of third, owing to be provided with third buffer spring, makes buffer action have between spacing installation sideboard of third and the wind-dispelling dust absorption box body inner wall, makes this device have buffer action.
2. The tunnel portal piston wind dust control device starts the air exhaust and dust exhaust fan at first, and when a train enters a tunnel, piston wind enters the wind-dispelling and dust-absorbing box body through the arc-shaped air suction and dust absorption holes; when the piston wind enters the wind-dispelling dust-collecting box body, the piston wind is firstly dispersed through a plurality of first wind-dispelling round holes, the dispersed piston wind is dispersed again through a plurality of second arc-shaped wind-dispelling plates, the piston wind dispersed again is dispersed again through a plurality of third wind-dispelling round holes, then the dispersed piston wind is discharged out of the wind-dispelling dust-collecting box body through the air-exhausting and dust-exhausting fan, the piston wind is discharged out of the device after being dispersed for many times, the pressure formed by the running train and the tunnel portal is reduced, the strong wind is dispersed, the large-scale dust pollution driven by the strong wind is reduced, the dust pollution is reduced, and the use and the operation are convenient.
3. According to the tunnel portal piston wind dust control device, the first arc-shaped wind-dispelling plates are formed by splicing a plurality of first arc-shaped wind-dispelling short plates end to end, a clamping bulge is arranged at one end of each first arc-shaped wind-dispelling short plate, and a limiting clamping groove is formed in the other end of each first arc-shaped wind-dispelling short plate; the second arc-shaped wind-dispelling plates are formed by splicing a plurality of second arc-shaped wind-dispelling short plates end to end, one ends of the second arc-shaped wind-dispelling short plates are provided with clamping bulges, and the other ends of the second arc-shaped wind-dispelling short plates are provided with limiting clamping grooves; the third arc is dredged the wind board and is constituteed by the short board head-to-tail concatenation of a plurality of third arc, the one end of the short board of third arc is provided with the joint arch, spacing draw-in groove has been seted up to the other end of the short board of third arc wind dispelling, can freely splice first arc and dredge the wind board, second arc is dredged the wind board and the third arc and is dredged the wind board, make the not equidimension wind dispelling dust absorption box body of suitable not that can be better, and can also increase first arc and dredge the wind board, the area of dredging between second arc and the third arc is dredged the wind board, realize better wind dispelling effect.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Drawings
Fig. 1 is a first structural schematic diagram of a tunnel portal piston wind dust control device of the invention;
FIG. 2 is a schematic structural diagram II of a tunnel portal piston wind dust control device of the present invention;
fig. 3 is a schematic structural diagram of a wind-dispelling and dust-collecting box body of the wind-blowing and dust-raising control device for the piston at the tunnel portal;
FIG. 4 is an enlarged schematic view of the structure at A in FIG. 3;
FIG. 5 is an enlarged view of the structure at B in FIG. 3;
fig. 6 is a schematic structural diagram of a wind-dispelling and dust-collecting box body of the wind-blowing and dust-raising control device for the tunnel portal piston;
fig. 7 is a schematic partial structural view of a device for controlling wind-borne dust on a piston at a tunnel portal according to the present invention;
FIG. 8 is a schematic view of a connection structure between a first arc-shaped wind-dispersing plate and a first limiting mounting side plate of the device for controlling wind-borne dust on a piston at a tunnel portal according to the present invention;
FIG. 9 is a schematic view of a connection structure between a second arc-shaped air dispersing plate and a second limiting mounting side plate of the device for controlling wind dust rising of a piston at a tunnel portal according to the present invention;
fig. 10 is a schematic view of a connection structure of a third arc-shaped air distribution plate and a third limiting mounting side plate of the device for controlling wind-borne dust of a piston at a tunnel portal.
The drawings are numbered as follows: 1-a tunnel body; 2-wind dispelling and dust collecting box body; 3-arc air suction dust collection hole; 4-circular air and dust exhaust holes; 5-air exhaust and dust exhaust fan; 6-a first arc-shaped air dispersing plate; 61-a first arc wind-dispelling short plate; 7-a second arc-shaped air dispersing plate; 71-a second arc wind-dispelling short plate; 8-a third arc-shaped wind-dispersing plate; 81-a third arc wind-dispelling short plate; 9-a first wind-dispelling round hole; 10-a second wind-dispelling round hole; 11-a third wind-dispelling round hole; 12-a first limit mounting sideboard; 13-second limit mounting side plates; 14-a third limit mounting sideboard; 15-a limiting guide post; 16-a first buffer spring; 17-a second buffer spring; 18-a third buffer spring; 19-a limiting jack; 20-clamping protrusion and 21-limiting clamping groove.
Detailed Description
The following is further detailed by way of specific embodiments:
as shown in fig. 1-10, a tunnel portal piston wind dust control device includes a tunnel body 1, a wind-dispelling dust-collecting box body 2, an arc-shaped wind-sucking dust-collecting hole 3, a circular air-exhausting dust-discharging hole 4, an air-exhausting dust-discharging fan 5, a first arc-shaped wind-discharging plate 6, a second arc-shaped wind-discharging plate 7, a third arc-shaped wind-discharging plate 8, a first wind-discharging circular hole 9, a second wind-dispelling circular hole 10, a third wind-dispelling circular hole 11, a first limit mounting side plate 12, a second limit mounting side plate 13, a third limit mounting side plate 14, a limit guide post 15, a first buffer spring 16, a second buffer spring 17, a third buffer spring 18 and a limit jack 19, wherein the wind-dispelling dust-collecting box body 2 is arranged on the tunnel body 1; two ends of the interior of the wind-dispelling dust-collecting box body 2 are respectively provided with a limiting guide post 15; the two limit guide pillars 15 are respectively provided with a first limit mounting side plate 12, a second limit mounting side plate 13 and a third limit mounting side plate 14; a first arc-shaped air dispersing plate 6 is arranged between the two first limit mounting side plates 12; a second arc-shaped air dispersing plate 7 is arranged between the two second limiting mounting side plates 13; a third arc-shaped air dispersing plate 8 is arranged between the two third limiting mounting side plates 14; a plurality of first wind-dispelling round holes 9 are arranged on the first arc-shaped wind-dispelling plate 6; a plurality of second wind-dispelling round holes 10 are arranged on the second arc-shaped wind-dispelling plate 7; a plurality of third wind-dispelling round holes 11 are formed in the third arc-shaped wind-dispelling plate 8; a first buffer spring 16 is arranged on the limiting guide post 15 and is opposite to the position between the first limiting mounting side plate 12 and the second limiting mounting side plate 13; a second buffer spring 17 is arranged on the limit guide post 15 and is opposite to the position between the second limit mounting side plate 13 and the third limit mounting side plate 14; a third buffer spring 18 is arranged on the limiting guide post 15 corresponding to the space between the third limiting installation side plate 14 and the inner wall of the wind-dispelling dust-collecting box body 2; an arc-shaped air suction and dust collection hole 3 is formed in the wind-dispelling and dust collection box body 2 below the first arc-shaped wind-dispelling plate 6; the wind-dispelling and dust-absorbing box body 2 is provided with a plurality of air-exhausting and dust-exhausting fans 5.
In this embodiment, the wind-dispelling and dust-collecting box body 2 is provided with a circular air-discharging and dust-discharging hole 4 for installing an air-discharging and dust-discharging fan 5.
In this embodiment, the first arc-shaped air distribution plate 6, the second arc-shaped air distribution plate 7 and the third arc-shaped air distribution plate 8 are sequentially arranged on the air distribution and dust collection box body 2 from outside to inside.
In this embodiment, the first wind-dispersing circular hole 9 is larger in diameter than the second wind-dispersing circular hole 10; the second wind-dispersing round hole 10 is larger in diameter than the third wind-dispersing round hole 11.
In this embodiment, first arc wind dispelling plate 6 is formed by the concatenation of the first arc wind dispelling short plate 61 end to end of a plurality of, and the one end of first arc wind dispelling short plate 61 is provided with joint arch 20, and spacing draw-in groove 21 has been seted up to the other end of first arc wind dispelling short plate 61.
In this embodiment, the second arc-shaped wind-dispelling plate 7 is formed by splicing a plurality of second arc-shaped wind-dispelling short plates 71 end to end, one end of the second arc-shaped wind-dispelling short plate 71 is provided with the clamping protrusion 20, and the other end of the second arc-shaped wind-dispelling short plate 71 is provided with the limiting clamping groove 21.
In this embodiment, the third arc-shaped wind-dispelling plate 8 is formed by splicing a plurality of third arc-shaped wind-dispelling short plates 81 end to end, one end of the third arc-shaped wind-dispelling short plates 81 is provided with the clamping protrusion 20, and the other end of the third arc-shaped wind-dispelling short plates 81 is provided with the limiting clamping groove 21.
In this embodiment, the clamping protrusion 20 is fixedly connected to the limiting clamping groove 21 in a clamping manner, and the size of the limiting clamping groove 21 is adapted to the clamping protrusion 20.
In this embodiment, the first limit mounting side plate 12 is provided with a limit jack 19 for connecting with the limit guide pillar 15; the second limit mounting side plate 13 is provided with a limit jack 19 for connecting with the limit guide pillar 15; the third limit mounting side plate 14 is provided with a limit jack 19 for connecting with the limit guide post 15.
In this embodiment, the first buffer spring 16 is adapted to the position-limiting guide post 15; the second buffer spring 17 is matched with the limiting guide post 15; the third buffer spring 18 is adapted to the limit guide post 15.
When the device for controlling the piston wind-blown dust at the tunnel portal is used, firstly, an air exhaust and dust exhaust fan 5 is started, and when a train enters a tunnel, piston wind enters the wind-dispelling and dust-absorbing box body 2 through the arc-shaped air suction and dust-absorbing holes 3; when the piston wind enters the wind-dispelling dust-collecting box body 2, the piston wind is firstly dispersed through the first wind-dispelling round holes 9, the dispersed piston wind is dispersed again through the second arc-shaped wind-dispelling plates 7, the piston wind after being dispersed again is dispersed again through the third wind-dispelling round holes 11, then the dispersed piston wind is discharged out of the wind-dispelling dust-collecting box body 2 through the air-exhausting and dust-exhausting fan 5, and is discharged out of the device after being dispersed for many times, so that the pressure formed by the running train and the tunnel portal is reduced, the strong wind is dispersed, the large-scale dust pollution driven by the strong wind is reduced, and the dust pollution is reduced.
In the device for controlling the wind-blown dust of the piston at the tunnel portal, a first buffer spring 16 is arranged on a limiting guide post 15 and is opposite to a position between a first limiting mounting side plate 12 and a second limiting mounting side plate 13; a second buffer spring 17 is arranged on the limit guide post 15 and is opposite to the position between the second limit mounting side plate 13 and the third limit mounting side plate 14; a third buffer spring 18 is arranged on the limiting guide post 15 corresponding to the space between the third limiting installation side plate 14 and the inner wall of the wind-dispelling dust-collecting box body 2; owing to be provided with first buffer spring 16, when the piston wind passes through a plurality of first wind dispelling round holes 9, make and have the cushioning effect between first spacing installation sideboard 12 and the spacing installation sideboard 13 of second, owing to be provided with second buffer spring 17, make and have the cushioning effect between the spacing installation sideboard 13 of second and the spacing installation sideboard 14 of third, owing to be provided with third buffer spring 18, make and have the cushioning effect between the spacing installation sideboard 14 of third and the 2 inner walls of wind dispelling dust absorption box body, make this device have the cushioning effect.
In the device for controlling the wind-blown dust of the piston at the tunnel portal, a plurality of first wind-dispelling circular holes 9 are arranged on a first arc-shaped wind-dispelling plate 6; a plurality of second wind-dispelling round holes 10 are arranged on the second arc-shaped wind-dispelling plate 7; a plurality of third wind-dispelling round holes 11 are formed in the third arc-shaped wind-dispelling plate 8; the diameter of the first wind-dispelling round hole 9 is larger than that of the second wind-dispelling round hole 10; the diameter of the second wind-dispersing round hole 10 is larger than that of the third wind-dispersing round hole 11; when the train enters the tunnel, the piston air enters the wind-dispelling and dust-collecting box body 2 through the arc-shaped wind-sucking and dust-collecting holes 3; when the piston wind enters the wind-dispelling dust-collecting box body 2, the piston wind is firstly dispersed through the first wind-dispelling round holes 9, the dispersed piston wind is dispersed again through the second arc-shaped wind-dispelling plates 7, the piston wind after being dispersed again is dispersed again through the third wind-dispelling round holes 11, then the dispersed piston wind is discharged out of the wind-dispelling dust-collecting box body 2 through the air-exhausting and dust-exhausting fan 5, and is discharged out of the device after being dispersed for many times, so that the pressure formed by the running train and the tunnel portal is reduced, the strong wind is dispersed, the large-scale dust pollution driven by the strong wind is reduced, and the dust pollution is reduced.
The tunnel portal piston wind dust control device starts an air exhaust and dust exhaust fan 5, and when a train enters a tunnel, piston wind enters the wind-dispelling and dust-collecting box body 2 through the arc-shaped air suction and dust collection holes 3; when the piston wind enters the wind-dispelling dust-collecting box body 2, the piston wind is firstly dispersed through the first wind-dispelling round holes 9, the dispersed piston wind is dispersed again through the second arc-shaped wind-dispelling plates 7, the piston wind after being dispersed again is dispersed again through the third wind-dispelling round holes 11, then the dispersed piston wind is discharged out of the wind-dispelling dust-collecting box body 2 through the air-exhausting and dust-exhausting fan 5, the piston wind is discharged out of the device after being dispersed for many times, the pressure formed by a running train and a tunnel portal is reduced, the strong wind formed by the running train and the tunnel portal is reduced, the strong wind is dispersed, the large-scale dust pollution driven by the strong wind is reduced, the dust pollution is reduced, and the use and the operation are convenient.
According to the tunnel portal piston wind dust control device, the first arc-shaped wind-dispelling plates 6 are formed by splicing a plurality of first arc-shaped wind-dispelling short plates 61 end to end, one ends of the first arc-shaped wind-dispelling short plates 61 are provided with clamping protrusions 20, and the other ends of the first arc-shaped wind-dispelling short plates 61 are provided with limiting clamping grooves 21; the second arc-shaped wind-dispelling plate 7 is formed by splicing a plurality of second arc-shaped wind-dispelling short plates 71 end to end, one end of each second arc-shaped wind-dispelling short plate 71 is provided with a clamping protrusion 20, and the other end of each second arc-shaped wind-dispelling short plate 71 is provided with a limiting clamping groove 21; third arc wind dispelling plate 8 comprises the concatenation of a plurality of third arc wind dispelling short plate 81 head and the tail, the one end of third arc wind dispelling short plate 81 is provided with joint arch 20, spacing draw-in groove 21 has been seted up to the other end of third arc wind dispelling short plate 81, can freely splice first arc wind dispelling plate 6, second arc wind dispelling plate 7 and third arc wind dispelling plate 8, make the wind dispelling dust absorption box body 2 that is suitable for equidimension not that can be better, and can also increase first arc wind dispelling plate 6, the wind dispelling area between second arc wind dispelling plate 7 and the third arc wind dispelling plate 8, realize better wind dispelling effect.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the present invention.

Claims (10)

1. The utility model provides a tunnel portal piston wind raise dust controlling means which characterized in that: the tunnel comprises a tunnel body (1), an air-dispelling and dust-collecting box body (2), an arc-shaped air-sucking and dust-collecting hole (3), a circular air-exhausting and dust-discharging hole (4), an air-exhausting and dust-discharging fan (5), a first arc-shaped air-dispelling plate (6), a second arc-shaped air-dispelling plate (7), a third arc-shaped air-dispelling plate (8), a first air-dispelling circular hole (9), a second air-dispelling circular hole (10), a third air-dispelling circular hole (11), a first limit mounting side plate (12), a second limit mounting side plate (13), a third limit mounting side plate (14), a limit guide pillar (15), a first buffer spring (16), a second buffer spring (17), a third buffer spring (18) and a limit jack (19), wherein the air-dispelling and dust-collecting box body (2) is arranged on the tunnel body (; two ends in the wind-dispelling and dust-collecting box body (2) are respectively provided with a limiting guide post (15); a first limit mounting side plate (12), a second limit mounting side plate (13) and a third limit mounting side plate (14) are arranged on each of the two limit guide pillars (15); a first arc-shaped air dispersing plate (6) is arranged between the two first limit mounting side plates (12); a second arc-shaped air dispersing plate (7) is arranged between the two second limiting mounting side plates (13); a third arc-shaped wind dispersing plate (8) is arranged between the two third limiting mounting side plates (14); a plurality of first wind-dispelling round holes (9) are arranged on the first arc-shaped wind-dispelling plate (6); a plurality of second wind-dispelling round holes (10) are arranged on the second arc-shaped wind-dispelling plate (7); a plurality of third wind-dispelling round holes (11) are arranged on the third arc-shaped wind-dispelling plate (8); a first buffer spring (16) is arranged on the limiting guide post (15) relative to the position between the first limiting mounting side plate (12) and the second limiting mounting side plate (13); a second buffer spring (17) is arranged on the limiting guide post (15) relative to the space between the second limiting mounting side plate (13) and the third limiting mounting side plate (14); a third buffer spring (18) is arranged on the limiting guide post (15) relative to the space between the third limiting mounting side plate (14) and the inner wall of the wind-dispelling dust-collecting box body (2); an arc-shaped air suction and dust collection hole (3) is formed in the wind-dispelling and dust collection box body (2) and is opposite to the lower part of the first arc-shaped wind-dispelling plate (6); the wind-dispelling and dust-absorbing box body (2) is provided with a plurality of air-exhausting and dust-exhausting fans (5).
2. The device for controlling wind-borne dust on a piston at a tunnel portal according to claim 1, wherein: the wind-dispelling and dust-absorbing box body (2) is provided with a circular air-exhausting and dust-exhausting hole (4) for installing an air-exhausting and dust-exhausting fan (5).
3. The device for controlling wind-borne dust on a piston at a tunnel portal according to claim 1, wherein: the wind-dispelling and dust-collecting box body (2) is sequentially provided with a first arc-shaped wind-dispelling plate (6), a second arc-shaped wind-dispelling plate (7) and a third arc-shaped wind-dispelling plate (8) from outside to inside.
4. The device for controlling wind-borne dust on a piston at a tunnel portal according to claim 1, wherein: the diameter of the first wind-dispelling round hole (9) is larger than that of the second wind-dispelling round hole (10); the diameter of the second wind-dispelling round hole (10) is larger than that of the third wind-dispelling round hole (11).
5. The device for controlling wind-borne dust on a piston at a tunnel portal according to claim 1, wherein: first arc wind dispelling board (6) are formed by the concatenation of the first arc wind dispelling short slab of a plurality of (61) end to end, and the one end of first arc wind dispelling short slab (61) is provided with joint arch (20), and spacing draw-in groove (21) have been seted up to the other end of first arc wind dispelling short slab (61).
6. The device for controlling wind-borne dust on a piston at a tunnel portal according to claim 1, wherein: the second arc-shaped wind-dispelling plate (7) is formed by splicing a plurality of second arc-shaped wind-dispelling short plates (71) end to end, a clamping protrusion (20) is arranged at one end of each second arc-shaped wind-dispelling short plate (71), and a limiting clamping groove (21) is formed in the other end of each second arc-shaped wind-dispelling short plate (71).
7. The device for controlling wind-borne dust on a piston at a tunnel portal according to claim 1, wherein: the third arc-shaped wind dispelling plate (8) is formed by splicing a plurality of third arc-shaped wind dispelling short plates (81) end to end, a clamping protrusion (20) is arranged at one end of each third arc-shaped wind dispelling short plate (81), and a limiting clamping groove (21) is formed in the other end of each third arc-shaped wind dispelling short plate (81).
8. The device for controlling wind and dust raising of the tunnel portal piston according to any one of claims 5 to 7, wherein: the clamping protrusion (20) is fixedly connected with the limiting clamping groove (21) in a clamping mode, and the size of the limiting clamping groove (21) is matched with that of the clamping protrusion (20).
9. The device for controlling wind-borne dust on a piston at a tunnel portal according to claim 1, wherein: the first limit mounting side plate (12) is provided with a limit jack (19) used for being connected with the limit guide post (15); a limiting insertion hole (19) used for being connected with the limiting guide post (15) is formed in the second limiting mounting side plate (13); the third limit mounting side plate (14) is provided with a limit jack (19) which is used for being connected with the limit guide post (15).
10. The device for controlling wind-borne dust on a piston at a tunnel portal according to claim 1, wherein: the first buffer spring (16) is adapted to the limiting guide post (15); the second buffer spring (17) is matched with the limiting guide post (15); the third buffer spring (18) is adapted to the limit guide post (15).
CN202011128237.XA 2020-10-21 2020-10-21 Tunnel face piston wind raise dust controlling means Withdrawn CN112160789A (en)

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Application Number Priority Date Filing Date Title
CN202011128237.XA CN112160789A (en) 2020-10-21 2020-10-21 Tunnel face piston wind raise dust controlling means

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Application Number Priority Date Filing Date Title
CN202011128237.XA CN112160789A (en) 2020-10-21 2020-10-21 Tunnel face piston wind raise dust controlling means

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CN112160789A true CN112160789A (en) 2021-01-01

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CN202011128237.XA Withdrawn CN112160789A (en) 2020-10-21 2020-10-21 Tunnel face piston wind raise dust controlling means

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113847081A (en) * 2021-10-22 2021-12-28 山西五洲科技有限公司 Tunnel dust removal equipment and dust removal method thereof
CN114288800A (en) * 2022-01-06 2022-04-08 林宏 Tunnel dust control method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113847081A (en) * 2021-10-22 2021-12-28 山西五洲科技有限公司 Tunnel dust removal equipment and dust removal method thereof
CN114288800A (en) * 2022-01-06 2022-04-08 林宏 Tunnel dust control method

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Application publication date: 20210101